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Parallel Texts Extraction from Multimodal Comparable Corpora

  • Haithem Afli
  • Loïc Barrault
  • Holger Schwenk
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7614)

Abstract

Statistical machine translation (SMT) systems depend on the availability of domain-specific bilingual parallel text. However parallel corpora are a limited resource and they are often not available for some domains or language pairs. We analyze the feasibility of extracting parallel sentences from multimodal comparable corpora. This work extends the use of comparable corpora by using audio sources instead of texts on the source side. The audio is transcribed by an automatic speech recognition system and translated with a baseline SMT system. We then use information retrieval in a large text corpus in the target language to extract parallel sentences. We have performed a series of experiments on data of the IWSLT’11 speech translation task that shows the feasibility of our approach.

Keywords

statistical machine translation automatic speech recognition multimodal comparable corpora extraction of parallel sentences 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Haithem Afli
    • 1
  • Loïc Barrault
    • 1
  • Holger Schwenk
    • 1
  1. 1.Universit du MaineLe MansFrance

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